210 search results - page 12 / 42 » Complex Group-By Queries for XML |
SIGMOD
2007
ACM
14 years 8 months ago
2007
ACM
XML is the data interoperability standard in many application domains. Therefore, an increasing number of researchers and professionals, who are not computer scientists (although ...
DBPL
2003
Springer
14 years 1 months ago
2003
Springer
We introduce the new notion of XML Stream Attribute Grammars (XSAGs). XSAGs are the first scalable query language for XML streams (running strictly in linear time with bounded mem...
FCT
2005
Springer
14 years 2 months ago
2005
Springer
We review a recently introduced computation model for streaming and external memory data. An important feature of this model is that it distinguishes between sequentially reading (...
ITNG
2006
IEEE
14 years 2 months ago
2006
IEEE
In this paper, still images are modeled by hierarchical tree structures and object relational graphs. These modeling concepts can be described naturally using XML schema. We intro...
ICDE
2006
IEEE
14 years 2 months ago
2006
IEEE
XML structural joins, which evaluate the containment (ancestor-descendant) relationships between XML elements, are important operations of XML query processing. Estimating structu...